Influence of annealing treatment on the luminescent properties of Ta:β-Ga2O3 single crystal
Yu Xiaowei1, Cui Huiayuan2, Zhu Maodong2, Xia Zhilin1, †, Sai Qinglin2, ‡
       

PL spectra of 0.01 mol% Ta:β-Ga2O3 after annealing in air under the excitation of 256 nm. Green lines are Gaussian fitting results.